Is It Possible To Burn All Our Trash In Volcanic Lava?

In Clean Facts, Clean Talk, Environment, News, Opinions, Sustainability

True, lava is hot enough to burn some trash. When Kilauea, Hawaii, erupted in 2018, the lava flows reached above 2,000 degrees Fahrenheit (1,100 Celsius). That’s hotter than Venus’ surface and enough to melt numerous rocks.

It’s also hotter than trash incinerators (1,800-2,200 F) (1,000-1,200 C). But not all lavas are hot. Hawaii’s eruptions created basalt lava. Basalt is more hotter and more fluid than ordinary lava.


Besides the heat, there are additional reasons not to damage our volcanoes.

  • First, although lava at 2,000°F may melt food scraps, paper, plastic, glass, and certain metals, it cannot melt steel, nickel, or iron.
  • Second, few volcanoes feature lava lakes, or bowl-shaped craters filled with lava, into which we may throw waste. However , only eight of the hundreds of volcanoes on Earth have active lava lakes.
  • Third, dropping rubbish into those eight active lava lakes is an extremely risky task. Lava lakes have a calm lava crust on top, but they are molten and very hot below.
Bowl-shaped craters

Landing on a lava lake breaks the crust, disrupts the lava and causes an explosion. This happened at Kilauea in 2015.

What if we could safely dump trash into a lava lake? What would happen to the trash?

When plastics, garbage and metals burn, they release a lot of toxic gases. Volcanoes already give off tons of toxic gases, including sulfur, chlorine and carbon dioxide. Sulfur gases may produce acidic fog, often known as “volcanic fog.”

People and plants may be killed by it. Adding additional gases from burning trash to the already deadly volcanic gases would make the vapors much more toxic to humans and plants around so in our opinion this is not a good idea.

Reference- The Conversation, National Geographic, Discovery Magazine, The Guardian

Join Our Newsletter!

Love Clean Future? We love to tell you about our new stuff. Subscribe to newsletter!

Mobile Sliding Menu

Clean Future